diff --git a/src/packet/packet_parse.cpp b/src/packet/packet_parse.cpp
index 7139c8a..1bc18f5 100644
--- a/src/packet/packet_parse.cpp
+++ b/src/packet/packet_parse.cpp
@@ -995,7 +995,7 @@ int packet_to_str(const struct packet *pkt, char *buff, int size)
 
     int used = 0;
     memset(buff, 0, size);
-    used += snprintf(buff + used, size - used, "packet: %p, data_ptr: %p, data_len: %u, trim_len: %u, layers_used: %u, layers_size: %u\n",
+    used += snprintf(buff + used, size - used, "packet: %p, data_ptr: %p, data_len: %u, trim_len: %u, layers_used: %d, layers_size: %d\n",
                      pkt, pkt->data_ptr, pkt->data_len, pkt->trim_len,
                      pkt->layers_used, pkt->layers_size);
     for (uint8_t i = 0; i < pkt->layers_used; i++)
diff --git a/src/stellar/CMakeLists.txt b/src/stellar/CMakeLists.txt
index bfd8f65..5a81601 100644
--- a/src/stellar/CMakeLists.txt
+++ b/src/stellar/CMakeLists.txt
@@ -2,7 +2,7 @@ set(SOURCE stellar_config.cpp stellar_stat.cpp stellar_core.cpp)
 set(LIBRARY times session_manager plugin_manager ip_reassembly packet_io packet pthread fieldstat4 toml)
 
 add_library(stellar_core STATIC ${SOURCE})
-target_link_libraries(stellar_core PRIVATE ${LIBRARY})
+target_link_libraries(stellar_core PUBLIC ${LIBRARY})
 
 add_library(stellar_devel SHARED ${SOURCE})
 #target_link_libraries(stellar_devel ${LIBRARY})
diff --git a/test/debug_plugin/debug_plugin.cpp b/test/debug_plugin/debug_plugin.cpp
index fb9a081..6ab8de9 100644
--- a/test/debug_plugin/debug_plugin.cpp
+++ b/test/debug_plugin/debug_plugin.cpp
@@ -14,7 +14,9 @@
 #include "packet_dump.h"
 #include "packet_parse.h"
 #include "stellar/packet.h"
-#include "stellar/session_mq.h"
+#include "stellar/stellar_mq.h"
+
+#pragma GCC diagnostic ignored "-Wunused-parameter"
 
 // NOTE: packet hexdump or tcp segment hexdump may be too long, so we need direct output to fd, instead of using log_print
 static void log_print(int fd, const char *module, const char *fmt, ...)
@@ -88,6 +90,11 @@ static void on_sess_free(struct session *sess, void *sess_ctx, void *plugin_ctx)
 
 static void on_sess_udp_msg(struct session *sess, int topic_id, const void *msg, void *sess_ctx, void *plugin_ctx)
 {
+    if (msg == NULL)
+    {
+        return;
+    }
+
     char buff[4096];
     struct packet *pkt = (struct packet *)msg;
     struct plugin_ctx *ctx = (struct plugin_ctx *)plugin_ctx;
@@ -107,6 +114,11 @@ static void on_sess_udp_msg(struct session *sess, int topic_id, const void *msg,
 
 static void on_sess_tcp_msg(struct session *sess, int topic_id, const void *msg, void *sess_ctx, void *plugin_ctx)
 {
+    if (msg == NULL)
+    {
+        return;
+    }
+
     char buff[4096];
     struct packet *pkt = (struct packet *)msg;
     struct plugin_ctx *ctx = (struct plugin_ctx *)plugin_ctx;
@@ -126,6 +138,11 @@ static void on_sess_tcp_msg(struct session *sess, int topic_id, const void *msg,
 
 static void on_sess_tcp_stream_msg(struct session *sess, int topic_id, const void *msg, void *sess_ctx, void *plugin_ctx)
 {
+    if (msg == NULL)
+    {
+        return;
+    }
+
     char buff[4096];
     struct tcp_segment *seg = (struct tcp_segment *)msg;
     struct plugin_ctx *ctx = (struct plugin_ctx *)plugin_ctx;
@@ -166,9 +183,9 @@ extern "C"
 
         ctx->st = st;
         ctx->sess_plug_id = stellar_session_plugin_register(st, on_sess_new, on_sess_free, ctx);
-        ctx->udp_topic_id = stellar_session_mq_get_topic_id(st, TOPIC_UDP);
-        ctx->tcp_topic_id = stellar_session_mq_get_topic_id(st, TOPIC_TCP);
-        ctx->tcp_stream_topic_id = stellar_session_mq_get_topic_id(st, TOPIC_TCP_STREAM);
+        ctx->udp_topic_id = stellar_mq_get_topic_id(st, TOPIC_UDP);
+        ctx->tcp_topic_id = stellar_mq_get_topic_id(st, TOPIC_TCP);
+        ctx->tcp_stream_topic_id = stellar_mq_get_topic_id(st, TOPIC_TCP_STREAM);
 
         stellar_session_mq_subscribe(st, ctx->udp_topic_id, on_sess_udp_msg, ctx->sess_plug_id);
         stellar_session_mq_subscribe(st, ctx->tcp_topic_id, on_sess_tcp_msg, ctx->sess_plug_id);
diff --git a/test/packet_inject/packet_inject.cpp b/test/packet_inject/packet_inject.cpp
index f9bc08c..6087cae 100644
--- a/test/packet_inject/packet_inject.cpp
+++ b/test/packet_inject/packet_inject.cpp
@@ -2,6 +2,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
+#include <assert.h>
 #include <arpa/inet.h>
 
 #include "toml.h"
@@ -10,7 +11,6 @@
 #include "stellar/session.h"
 #include "stellar/stellar_mq.h"
 
-
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 
 #define LOG_ERR(fmt, ...) printf("ERROR [packet inject] " fmt, ##__VA_ARGS__)
@@ -431,7 +431,10 @@ static void on_sess_free(struct session *sess, void *sess_ctx, void *plugin_ctx)
 
 static void on_sess_msg(struct session *sess, int topic_id, const void *msg, void *sess_ctx, void *plugin_ctx)
 {
-    if(msg==NULL)return;// session closing, return directly
+    if (msg == NULL)
+    {
+        return;
+    }
 
     char buffer[1024] = {0};
     struct packet *pkt = (struct packet *)msg;
diff --git a/test/packet_tool/packet_tool.cpp b/test/packet_tool/packet_tool.cpp
index cd5af41..3946be1 100644
--- a/test/packet_tool/packet_tool.cpp
+++ b/test/packet_tool/packet_tool.cpp
@@ -279,7 +279,7 @@ static void usage(char *cmd)
 int main(int argc, char **argv)
 {
     int opt = 0;
-    struct runtime rte = {0};
+    struct runtime rte = {};
     while ((opt = getopt(argc, argv, "f:tvh")) != -1)
     {
         switch (opt)